Top Process Engineer Jobs in Seattle, WA

Leads development of cryogenic distillation and isotopic separation systems from concept through manufacturing and testing. Manages and mentors chemical processing and materials science engineers, owns project execution, leads design reviews, develops process controls and test capabilities, and operates high-pressure and cryogenic systems safely. The role also involves gas-mixture analysis, laboratory facility management, hardware development, manufacturing, and government research grant proposals.

Develop and optimize high-volume manufacturing processes for electro-optic microelectronics assemblies. Manage new product introduction, equipment procurement, process experiments, manufacturability improvements, failure analysis, corrective actions, automation integration, quality metrics, and production documentation. Collaborate with engineering teams, vendors, and technicians to improve reliability, output, and cost while training production personnel.

Evaluates and optimizes IT asset disposition workflows across multiple facilities. The role applies Lean methods, root-cause analysis, time and motion studies, and capacity metrics to improve productivity, ergonomics, quality, and throughput. Responsibilities include documenting SOPs, standardizing workflows, optimizing layouts and tooling, analyzing operational KPIs, and collaborating with floor teams, IT, and operations. Regular domestic travel and occasional international travel are required.

Designs and optimizes wastewater treatment systems, pump stations, collection systems, upgrades, and expansions. Evaluates treatment performance, develops engineering alternatives, improves physical, chemical, and biological processes, and supports technical deliverables for civil infrastructure projects. Coordinates with project managers, clients, regulators, and multidisciplinary stakeholders while preparing project updates, technical discussions, and compliance documentation.

Owns and improves semiconductor assembly processes, especially wirebond and eutectic die attach, to increase yield, efficiency, reliability, and equipment performance. Leads process development, tool selection, installation, qualification, and new product introduction. Conducts statistical experiments and failure analysis, creates operating procedures, trains personnel, and collaborates with cross-functional engineering and manufacturing teams in a cleanroom and 24/7 factory environment.

Develop, qualify, and optimize wet etch and wet clean processes for InP photonic integrated circuits. Improve etch performance, surface quality, contamination control, uniformity, yield, and manufacturability using physics-based analysis, DOE, SPC, and advanced analytics. Provide technical leadership during production excursions, support 24/7 manufacturing operations, develop wet chemistry formulations, and drive process improvements across photonic device fabrication.

Lead development, qualification, optimization, and production support for thin-film and metallization processes used in InP photonic integrated circuits. Own deposition technologies, electroplating, process control, defect reduction, yield improvement, root-cause analysis, equipment qualification, and technology transfer. Collaborate across engineering and manufacturing teams, suppliers, and vendors while providing rapid support for 24x7 production operations.

Develop and mature a cryogenic process-design-kit for superconducting quantum hardware. Own model-to-measurement characterization, plan and analyze cryogenic test chips, extend foundry PDKs to low-temperature regimes, partner with foundry and device teams, establish characterization infrastructure, and use EDA/layout/physical-verification toolsets to translate measurements into models, design rules, and documentation for scalable quantum circuit design.

Leads warehouse and aftermarket fulfillment process improvements, including workflow analysis, layout and storage design, equipment selection, KPI development, and Lean Six Sigma problem solving. Uses SQL, Power BI, and other analytical tools to improve efficiency, inventory accuracy, capacity, safety, and order fulfillment. Manages projects from concept through implementation while coordinating budgets, schedules, stakeholders, risks, documentation, and technical solutions with warehouse and production teams.

Leads business process improvement and organizational transformation initiatives. Analyzes workflows, maps processes, identifies inefficiencies, applies Lean and Six Sigma methods, evaluates performance data, recommends automation solutions, and partners with cross-functional leaders to implement scalable improvements and drive change adoption.

Leads complex industrial water and wastewater process design projects from planning through startup. Develops process design strategies, flow diagrams, water and mass balances, alternatives analyses, and treatment solutions. Coordinates multidisciplinary teams, testing, construction, commissioning, and client delivery. Supports project scope, scheduling, budgeting, client relationships, and practice growth across industrial sectors including metals, pharmaceuticals, chemicals, and food and beverage.

Combines wastewater process engineering with AI, machine learning, process modeling, digital twins, and optimization. Responsibilities include analyzing treatment data, developing biological and chemical process models, evaluating and troubleshooting facilities, conducting experiments, testing technologies, and implementing predictive or optimization solutions. The engineer collaborates with multidisciplinary project teams and utility clients to improve treatment performance, reliability, energy use, and operational decision-making. Python programming and wastewater modeling platforms are preferred, along with wastewater treatment, nutrient removal, data science, and technical communication expertise.

Develop and optimize process models and techno-economic analyses for direct air capture demo and production facilities. Translate Aspen models into equipment sizing, cost estimates, process documentation, and vendor-ready specifications. Refine heat and mass balances, evaluate operating scenarios, support equipment selection, and identify energy, capital, and operating cost reductions. Collaborate with engineering, R&D, project management, vendors, and external design firms while presenting technical and financial findings to leadership, investors, and stakeholders.

Lead process engineering design and execution for mining, mineral processing, material handling, and heavy industrial facilities. Develop PFDs, P&IDs, calculations, specifications, and equipment designs; coordinate multidisciplinary teams; oversee quality, safety, commissioning, and client expectations. Support proposals, business development, client relationships, conferences, and project pursuits. Mentor engineers and establish engineering standards and best practices. Regular travel to offices, project sites, and industrial facilities is expected.

Designs, develops, validates, and improves manufacturing processes, materials, equipment, and tooling for aerospace products. Conducts material and product testing, analyzes failures, evaluates risks, documents procedures and specifications, and supports engineering design reviews and product handoffs. The role requires advanced process and materials expertise, statistical analysis, independent decision-making, and collaboration with engineering, manufacturing, and machine shop teams. May supervise technicians and occasionally travel.

Own CNC process development and design machining workflows, integrate automation systems, optimize toolpaths, collaborate across teams, and lead yield improvement efforts.

Designs process-mechanical systems for water and wastewater treatment infrastructure, including equipment, piping, pumping, hydraulics, aeration, and pipe supports. Develops calculations, specifications, drawings, and BIM models; coordinates interdisciplinary design teams; reviews construction submittals; responds to contractor inquiries; and performs site observations. The role also supports construction phases, manages design tasks, and may mentor less experienced staff.

Develops, tests, deploys, and supports attended and unattended UiPath RPA automations. Works with stakeholders to analyze processes, gather requirements, identify automation opportunities, and translate needs into technical solutions. Builds database and API integrations using SQL and programming languages, applies web technologies for browser automation, and maintains documentation. Troubleshoots automations, supports Agile and Waterfall development, participates in testing and project planning, and provides operational status updates.

Develop and scale microelectronics manufacturing processes for electro-optical devices, manage NPI to high-volume production, optimize yields via DOE/SPC, partner with vendors and automation teams, lead failure investigations, and create SOPs and training for production technicians.

Lead development and implementation of SOPs, KPIs, and statistical monitoring for beverage can and end manufacturing. Drive process improvement, material qualifications, consumable reduction, training, and Lean/Six Sigma projects across plants.

Own process engineering for chocolate and confectionery innovation projects from technical brief through factory implementation. Translate recipes into process flows, equipment requirements, operating parameters, trial plans, and scale-up strategies. Lead factory trials, validation, commissioning, troubleshooting, root-cause analysis, process optimization, commercialization, shelf-life support, and technical documentation while collaborating with R&D, Culinary, Quality, Operations, Engineering, suppliers, and co-manufacturers.

Lead development, characterization, qualification and transfer of high-volume optoelectronic assembly processes. Design and run DOE, perform FMEA/RCCA, specify/procure equipment, design tooling, document processes, train technicians, and ensure successful manufacturing transfer and equipment maintenance.

Drive analysis, optimization, and continuous improvement of manufacturing processes. Manage plant CAPEX projects from specification through commissioning. Support maintenance planning, supplier and HSE collaboration, equipment validation, troubleshooting, KPI analysis, corrective actions, and Quality Management System improvements to enhance efficiency, safety, quality, and cost-effectiveness.

The Process Safety Engineer will conduct consequence modeling, risk assessments, and support process safety services while interacting with clients.

Develop, characterize, qualify, and transfer assembly manufacturing processes to production. Design and run DOE, perform FMEA and root-cause analysis, design tooling/fixtures, document processes, train technicians, and oversee equipment procurement, calibration, and maintenance for high-volume optoelectronic assembly.